[LMB] Gene cleaning in real life

Sylvia McIvers sylviamcivers at gmail.com
Fri Nov 10 14:52:45 GMT 2017


On Thu, Nov 9, 2017 at 7:58 PM, Jelbelser <jelbelser at comcast.net> wrote:

> I remember in the early 1970's, when the test for Tay-Sachs first became
> available. I was in college. The local Jewish Community Center arranged a
> bus to take all interested Jewish college students for testing. I'm not a
> carrier.
>
> I've read that being a carrier is advantageous, giving resistance to
> tuberculosis. Also, it is common among French Canadians and US Cajuns.
>
> It occurred to me that by arranging for carriers to not marry each other,
> the gene is actually spread around more. Will that cause more problems down
> the road?
>
> Janet in TN
>
> If being a carrier is somehow an anti-TB thingie (notice detailed
scientific terminology!) then having more carriers might be good, as long
as the carriers don't cross the streams, so to speak.
Sylvia


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